Black chrome additive uses, chromium additives, color additives and character black chrome, Shenzhen Songgang ..

Black chrome additive uses, chromium additives, color additives and character black chrome, black chrome additives Shenzhen Shenzhen Chung Chung black chrome plating additive formulation 1, in the cleaning of the plating tank added 2/3 volume of water, adding measurement chromic acid, and stir until completely dissolved. 2, was added with stirring measured black chrome additives, along with black chrome additives added, will produce bubbles, the temperature will rise, this time should pay attention to control the temperature. 3, water was added to full volume, reduction or electrolysis to generate the required amount of trivalent chromium ions, cooling to 20 ℃ trial plating additive Shenzhen black chrome details: http: //www.dghaolun.com/ Hollen Main products: plating additive, nickel plating, acid copper plating, electroplating brighteners, alkaline copper plating, and chromium additives, black chrome additives, electrolysis protection powder, degreasing powder, in addition to oil, electroplating sealers, aluminum zinc alloy dip. Hollen surface treatment material Official website: http: Customer //www.diandu168.com Usually Shenzhen black chrome additives, please call Miss Zhang Huiqun: 13686661868, mode of transport: delivery, courier or Logistics. If necessary Agent plating additive, electroplating brighteners customers, please visit: http: //www.gdhaolun.net